English verb conjugation
MUST LUG

Regular verb: lug - lugged - lugged

Affirmation

Simple form	V-ing form
I must lug you must lug he must lug we must lug you must lug they must lug	I must be lugging you must be lugging he must be lugging we must be lugging you must be lugging they must be lugging
Perfect	V-ing perfect
I must have lugged you must have lugged he must have lugged we must have lugged you must have lugged they must have lugged	I must have been lugging you must have been lugging he must have been lugging we must have been lugging you must have been lugging they must have been lugging

Negation

Simple form	V-ing form
I must not lug you must not lug he must not lug we must not lug you must not lug they must not lug	I must not be lugging you must not be lugging he must not be lugging we must not be lugging you must not be lugging they must not be lugging
Perfect	V-ing perfect
I must not have lugged you must not have lugged he must not have lugged we must not have lugged you must not have lugged they must not have lugged	I must not have been lugging you must not have been lugging he must not have been lugging we must not have been lugging you must not have been lugging they must not have been lugging

Interrogative form

Simple form	V-ing form
must I lug? must you lug? must he lug? must we lug? must you lug? must they lug?	must I be lugging? must you be lugging? must he be lugging? must we be lugging? must you be lugging? must they be lugging?
Perfect	V-ing perfect
must I have lugged? must you have lugged? must he have lugged? must we have lugged? must you have lugged? must they have lugged?	must I have been lugging? must you have been lugging? must he have been lugging? must we have been lugging? must you have been lugging? must they have been lugging?

Interro-negative form

Simple form	V-ing form
must I not lug? must you not lug? must he not lug? must we not lug? must you not lug? must they not lug?	must I not be lugging? must you not be lugging? must he not be lugging? must we not be lugging? must you not be lugging? must they not be lugging?
Perfect	V-ing perfect
must I not have lugged? must you not have lugged? must he not have lugged? must we not have lugged? must you not have lugged? must they not have lugged?	must I not have been lugging? must you not have been lugging? must he not have been lugging? must we not have been lugging? must you not have been lugging? must they not have been lugging?